Patents by Inventor Jean-Fran.cedilla.ois Papagni

Jean-Fran.cedilla.ois Papagni has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System for sampling specific pollutants contained in diluted exhaust gases from thermal engines
    Patent number: 6134942
    Abstract: The present invention is a system for specific pollutants contained in diluted exhaust gases from thermal combustion engines, comprising a first module (1) which samples aldehyde and ketone emissions and a second module (2) which samples hydrocarbon emissions. The system according to the invention further comprises a control which coordinates the sampling(s) with predetermined working phases of the thermal engine. The first module (1) comprises a circuit (3) for trapping the aldehydes and the ketones contained in the diluted exhaust gases and a dilution air sampling circuit (4).
    Type: Grant
    Filed: June 22, 1999
    Date of Patent: October 24, 2000
    Assignee: Institut Francais du Petrole
    Inventors: Michel Pasquereau, Jean-Fran.cedilla.ois Papagni, Richard Levesque, Jean-Pierre Dumas, Xavier Montagne